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GAQM CPEH-001 Exam - Topic 4 Question 123 Discussion

Which of the following is a protocol that is prone to a man-in-the-middle (MITM) attack and maps a 32-bit address to a 48-bit address?
B) ARP
A) ICPM
C) RARP
D) ICMP

GAQM CPEH-001 Exam - Topic 4 Question 123 Discussion

Actual exam question for GAQM's CPEH-001 exam
Question #: 123
Topic #: 4
[All CPEH-001 Questions]

Which of the following is a protocol that is prone to a man-in-the-middle (MITM) attack and maps a 32-bit address to a 48-bit address?

Show Suggested Answer Hide Answer
Suggested Answer: B

Address Resolution Protocol (ARP) a stateless protocol was designed to map Internet Protocol addresses (IP) to their associated Media Access Control (MAC) addresses.

This being said, by mapping a 32 bit IP address to an associated 48 bit MAC address via attached Ethernet devices, a communication between local nodes can be made.

Source: (http://www.exploit-db.com/papers/13190/)


by Marjory at Apr 01, 2026, 12:08 AM

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Beula
1 month ago
Definitely B) ARP. It's a common target for hackers.
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Karan
2 months ago
Agreed! ARP doesn't authenticate requests, making it easy for attacks.
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Herminia
2 months ago
I think the answer is B) ARP. It's known for MITM vulnerabilities.
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Sarah
2 months ago
ARP is the one that maps addresses, no doubt!
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Toi
2 months ago
Wait, are we sure about that? I feel like there’s more to it.
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Emogene
2 months ago
100% agree with ARP being the right answer!
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Arthur
4 months ago
I thought it was RARP? Seems like a tricky question.
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Ryan
4 months ago
Definitely B) ARP, it's well-known for MITM vulnerabilities.
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Gerald
5 months ago
I feel like ICMP is more about error messages and not really related to address mapping, so I think it has to be ARP.
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Brandon
5 months ago
I’m a bit confused between ARP and RARP. I know both deal with address mapping, but I can't recall which is more susceptible to MITM.
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Eun
5 months ago
I remember practicing questions about ARP and its vulnerabilities, so I feel like it’s definitely the right answer here.
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Georgiann
5 months ago
I think ARP is the one that maps addresses, but I'm not entirely sure if it's the most vulnerable to MITM attacks.
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